Insurance investigator Joe Shannon employs high-tech surveillance equipment and a gizmo-equipped car to uncover insurance scammers, such as a truck hijacking ring.
The only link to a missing fortune lies with the thief's sixteen year old daughter, who is supposed to meet him on the way out of the country. Shannon takes charge of her as they head to a dock in California, but he's followed by two trigger happy hoods, who kidnap the girl.
When Shannon is trailing a horse van to insure it makes the trip from L.A. to San Francisco safely, his car is forced off the road by shady characters. And of course, the horse van disappears.
A man turns in a sack of money to the police. But, since it is the smaller of 2 missing sacks of money, the man immediately falls under suspicion, along with the 2 armored car drivers who lost the money in the 1st place.
In the wreckage of a truck, Shannon finds a priceless jade tortoise. But he is immediately attacked and the tortoise taken. To aid in the search for the tortoise, Shannon consults an old friend who is an expert in Chinese artifacts.
A ship captain is suspected of barratry, and this is good news to Cochran since his company will be off the hook for the shipwreck. But Shannon smells a rat and continues to investigate -- even though doing so may cost his company.
Shannon is puzzled when a rancher fails to make a claim on his stolen truck. The mystery only deepens when he arrives at the ranch to discover a menacing foreman, a beautiful daughter, and a missing ranch hand.
One of the company's agents is found murdered while writing a story about the Hyatt Fund - a fund for a crippled boy. The local police chief suspects a hitchhiker, but Shannon is doubtful.
A seemingly quiet old gentleman has been killing rich old ladies he's conned into marrying him, often on their honeymoon night. A battered tea pot leads one victim's son determined to prove it, and Shannon investigates.
One deep sea fisherman's boat has been firebombed and he suspects a rival Captain. Their feud has been standing for many years, but is intensified when the first man's son has joined his enemy's crew after he fell for the second man's daughter.
Kid with a rough background finds some stolen loot. When he fails to report the loot, he puts himself and everyone he loves in grave danger because the ruthless thief will stop at nothing to retrieve the loot.
When a man is struck by a bonded truck, he refuses medical coverage from Shannon. The man's only interest is to get to his daughter's graduation. When Shannon agrees to take him to the graduation, another attempt is made on the man's life.
A recovering drug addict has suddenly vanished from his room at a rehabilitation house, and his confused girl friend enlists Shannon and the other investigators to find him. Soon it's revealed he was only posing as an addict,and had another identity.
Cochran's reputation is on the line when one of the ex-con's he is bonding is linked to a shrimp heist. So Cochran enlists Shannon to prove the ex-con's innocence.
Two men rob a warehouse, setting it on fire and leaving the night watchman for dead. One of the men returns to rescue the watchman, earning a medal for heroism. The other robber, however, wants to silence the erstwhile hero permanently.
An escapee from a mental hospital assaults a bonded truck driver who is also the man's brother-in-law. He then abducts his own estranged wife, the driver's sister. Shannon helps police track down the man and his wife.
